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Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Southwest Petroleum University has submitted a patent application for Glutenite Longitudinal Wave and Transverse Wave Velocity Logging Prediction Method Considering Gravel Distribution. Yang Jingxin, Li Wei, Liu Xiangjun, Liang Lixi, Xiong Jian, Ding Yi, Wei Xiaochen, Duan Qian and Wan Youwei developed the inv..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- Mitsubishi Heavy Industries has filed a patent application for Absorption Tower Configuration for Carbon Dioxide Recovery System, Carbon Dioxide Absorption Method. This invention was developed by Matsuo Takeshi, Nagayasu Hiromitsu, Akiyama Tomoh, Natsuyama Seiji and Higashino Koji.
The patent application num..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- European Patent Office has released Nippon Kayaku patent application for Carbon Dioxide Concentrator. This invention was developed by Mitsui Keisuke, Kaiho Atsushi and Nakajima Tomoya.
The patent application number is EP20240839761 20240709. The patent publication number is EP4744758 (A1). International Pate..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- Xi'an Shiyou University has submitted a patent application for Heterogeneous Oil Field Drilling Rate Dynamic Prediction Method Based on Federated Learning. Liu Ye and Tian Zihao developed the invention.
The patent application number is CN202511544740 20251027. The patent publication number is CN121479173 (A..
Oil & Gas
| Mon 01 Jun 2026
Munich, June 2 -- Linde has sought patent for Method and System for Producing at Least One Product. This invention was developed by Gack Sebastian, Taube Carsten, Aumann Martin, Wagner Bernhard, Liebhart Christian and Fruhmann Christian.
The patent application number is EP20240213204 20241115. The patent publication number is..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Linde has submitted a patent application for Process for Cryogenic Air Separation and Air Separation Plant. Golubev Dimitri developed the invention.
The patent application number is EP20240736651 20240605. The patent publication number is EP4747560 (A1). International Patent Classification code is F25J3/00. ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Weatherford Technology has submitted a patent application for Control of Annulus Return Flow in Well Operations. Anderson Neil A and Ronson Michael developed the invention.
The patent application number is EP20240739694 20240617. The patent publication number is EP4747470 (A1). International Patent Classific..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has sought patent for Baseplate for Supporting a Reticle and Related Systems and Methods. This invention was developed by Wang Huaping, Raschke Russ V and Wiseman Brian.
The patent application number is EP20240846179 20240604. The patent publication number is EP4747689 (A1). International Patent Class..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Weatherford Technology has filed a patent application for Non-intrusive Rheometer for Use in Well Operations. This invention was developed by Northam Paul R and Busteed John E.
The patent application number is EP20240739696 20240617. The patent publication number is EP4747604 (A1). International Patent Classif..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Oxygen Reduction Air Flooding Injection-production Parameter and Well Location Combined Multi-objective Optimization Method Based on Time Sequence Prediction Model. This invention was developed by Su Yuliang, Wang Xinhao, Wang Wen..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Mass Heterogeneous Task Elastic Scheduling Method Based on Multi-granularity State Perception. This invention was developed by Pang Shanchen, He Xiao, Zhang Kuijie, Qiao Sibo and Gui Haiyuan.
The patent application number is CN20..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Pipeline Damage Working Condition Simulation Test Device for Deepwater Underwater Production System. This invention was developed by Wu Shengnan, Zhang Laibin and Yu Long.
The patent applicat..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has applied Chinese patent for Pipeline Pressure Leaking Stoppage Device and Operation Method. Wang Shuai, Xie Yi, Liu Xubing, Mao Yanheng, Li Qinyan and Duan Renyuan developed it.
The patent application number is CN20241164881 20240805. The patent publication number is CN121474439 (A). Internation..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has released OneSubsea patent application for Directional Overcurrent Monitoring in Substation Transformers. This invention was developed by Askeland Audun Magne and Baricuatro Kristiansen.
The patent application number is EP20240852869 20240809. The patent publication number is EP474794..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has submitted a patent application for Method and Device for Front Gas Delivery into a Container. Smith Mark V, Eggum Shawn D and Yakuba Aleksandr A developed the invention.
The patent application number is EP20240846305 20240719. The patent publication number is EP4747912 (A1). Cooperative Patent Cla..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has filed a patent application for Method and Device to Distribute Gas into a Container. This invention was developed by Smith Mark V, Eggum Shawn D and Fuller Matthew A.
The patent application number is EP20240846304 20240719. The patent publication number is EP4747911 (A1). Cooperative Patent Classi..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- Entegris has submitted a patent application for Module Retainer. Smith Mark V, Eggum Shawn D and Fuller Matthew A developed the invention.
The patent application number is EP20240846303 20240719. The patent publication number is EP4747910 (A1). Cooperative Patent Classification code is H10P72/1926 (EP).
Europ..
Oil & Gas
| Tue 02 Jun 2026
Munich, June 2 -- European Patent Office has received Entegris patent application for Method and Device to Distribute Gas into a Container. Smith Mark V, Fuller Matthew A and Eggum Shawn D developed the invention.
The patent application number is EP20240846302 20240719. The patent publication number is EP4747909 (A1). Cooperati..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Hyperspectral Image Super-resolution Method Based on Unmixing. This invention was developed by Ren Peng, Xu Yinghao and Ni Zihao.
The patent application number is CN20261031047 20260112. The patent publication number is CN1214818..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Gas Storage Well Productivity Calculation Method in Complex Seepage Environment. This invention was developed by Gu Jianwei, Liu Shihao, Wu Shengnan, Liu Yixuan, Tian Yan, Qu Jingxuan and Zhou Yuhang.
The patent application number is..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published CNOOC China Co Ltd Hainan Branch patent application for Method for Quantitatively Evaluating Vertical Oil and Gas Transmission Capacity of Fractured Basin Fracture. The invention was developed by Wan Yang, He Xiaohu, Gan Jun, Jin Qiuyue and Hu Wenyan.
..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Method for Testing Gas Composition of Closed Pores of Shale Under In-situ Condition. Yang Shengyu, Zhang Tingyu, Feng Jiale, Hu Qinhong and Wang Qiming developed the invention.
The patent application number is CN202511601786 2025..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Back-pressure Valve and Equipment for Simulating Stratum Core. This invention was developed by Wang Xiuwei, Du Shan, Yao Weiyou, Wang Lei, Wang Hongtao, Tang Xianrong, Zhang Hong and Chen Yajuan.
The patent application number is CN20241165898 20240805. The pat..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Anti-corrosion Ultrahigh-temperature and High-pressure Resistant Static Sealing Structure and Assembling Method Thereof. This invention was developed by Li Zhihong, Li Ming, Li Kai, Liu Jiaxing, Nie Xiaobin, Luo Qiang, Xu Liang, Hui Zeyou, Ning Meng, Zhang Yun,..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Mobile Photovoltaic Power Station and Power Supply Method. Fan Zhouchuan, Kang Qingbo, Wei Tianliang, Yuan Xizhi, Wang Rongsong, Wang Peisen, Yang Song, Bian Shaosen, Chang Wei and Zhang Hu developed the invention.
The patent application number is CN2024114226..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published PetroChina patent application for Large Language Model Training Data Set Traceability Marking Method. The invention was developed by Pang Dawei, Liu Xiaotian, Lin Zhongling, Tang Jia, Wang Fuyong and Fu Hao.
The patent application number is CN202411706..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published PetroChina patent application for Carbonate Rock Abnormal High Pressure Probability Calculation Method, System, Equipment, Medium and Product. The invention was developed by Song Jinpeng, Duan Yongxian, Hu Xiaoyong, Lei Fei, Xu Kaitong, Dai Junjie, Ge S..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Characterization Method for Development Degrees of Natural Fractures with Different Scales. Wang Wei, Wang Zhenlin, Hu Xuan, Liu Caiguang, Zhao Long, He Wenjun, Chen Shanhe, Chen Gang, Yin He and Tang Tingming developed the invention.
The patent application nu..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has sought patent for Azimuth Anisotropy Depth Velocity Modeling Method Based on Data Driving. This invention was developed by He Zongqiang, Chen Kang, Luo Bing, Liu Xiaobing, Peng Haotian and Wang Hao.
The patent application number is CN20241164556 20240805. The patent publication number is CN1214..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has submitted a patent application for Earthquake Attenuation Compensation Method Based on Angle Domain Common Imaging Point Gather. This invention was developed by Yang Jidong, Yan Fan and Huang Jianping.
The patent application number is CN202511457068 20251013. The ..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Imaging Ray Domain Three-dimensional Pre-stack Wave Equation Time Migration Method. This invention was developed by Yang Jidong, Yan Fan and Huang Jianping.
The patent application number is CN202511453685 20251013. The patent publica..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Elastic Reverse Time Migration Imaging Method Based on Deflective Stress Characterization. The invention was developed by Yang Jidong, Wang Pengfei, Huang Jianping and Shan Tiantao.
The p..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, Beijing has applied Chinese patent for Three-dimensional Modeling and Synchronous Identification Method Fusing Karst Cave and River Channel and Related Equipment. Yan Binpeng, Zhao Jiaqi, Li Mutian, Pan Rui and Wang Yongliang developed it.
The patent application number is CN2025..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- State Intellectual Property Office of China has released PetroChina patent application for Prestack Crack Prediction Method and System Under Velocity Anisotropy Constraint. This invention was developed by Sun Chonghao, Yang Pengfei, Luo Xinsheng, Kang Tingting, Shi Lei, Wang Xinxin, Tian Haonan, Yang Liangang,..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Intelligent Data Acquisition Control System and Communication Method. Yue Xianmin, Teng Qigang, Cai Xiaodong, Wang Weifeng, Liu Qingfa, Yang Jiaqi, Xu Huiyao, Liu Xuejun and He Qiaofeng developed the invention.
The patent application number is CN20241166193 20..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has applied Chinese patent for TLS Protocol Based on Anti-quantum Cryptography. Song Lei, Shi Leyi, Wang Jingkai and Hwang Hyun-chul developed it.
The patent application number is CN202511800370 20251202. The patent publication number is CN121485927 (A). International..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- PetroChina has submitted a patent application for Tight Gas Gathering and Transportation Pipeline Corrosion Prediction Method, System, Equipment and Medium. Wang Feng, Xu Yong, Huang Hongfa, Xu Lei, Yuan Xi and Wang Yanran developed the invention.
The patent application number is CN20241172048 20240806. The p..
Oil & Gas
| Tue 02 Jun 2026
Beijing, June 2 -- China University of Petroleum, East China has filed a patent application for Full-automatic Sand Adding Simulation Experiment Device and Method Capable of Controlling Sand Adding Speed. This invention was developed by Dong Changyin, Xue Dongyu, Li Na, Li Zhangyu, Zhang Jinyi, Shi Yongda, Feng Shuhao, Bai Li an..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Logging Instrument for Gas Well. Teng Wenjiang, Lei Wei, Xie Zhi, Cui Jingyu and Wang Qiang developed the invention.
The patent application number is CN20241169322 20240806. The patent publication number is CN..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Logging Instrument for Gas Well. This invention was developed by Xie Zhi, Lei Wei, Teng Wenjiang, Cui Jingyu and Hou Zhimin.
The patent application number is CN20241169320 20240806. The patent publication numb..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Staged Fracturing Method and Differential Pressure Sliding Sleeve. This invention was developed by Chen Chen, Zhou Yijun, Zhao Wei, Liu Tao and Teng Wenjiang.
The patent application number is CN20241168172 20240806. The patent..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Daqing Oilfield and PetroChina have applied Chinese patent for Temporary Plugging Staged Fracturing Method for Casing Damage Horizontal Well. Yang Yucai, Fan Lihua, Chen Yanzhen, Ren Zhongxi, Wu Shaojie, Wang Qingwen, Li Yingying and Fan Yu developed it.
The patent application number is CN20241165572 202408..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering and Downhole Operation Co Sinopec Shengli Petroleum Engineering have sought patent for Fracturing Control Method and System for Slotting Equipment, Computer Equipment and Computer Program. This invention was developed by Yang Yu-shen, Zhou Xiangju..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground Self-excited Pump and Integrated Tubular Column. This invention was developed by Pan Jian, Hu Dan, Zeng Mingyong, Zhao Wei, Qian Jiang and Teng Wenjiang.
The patent application number is CN20241169317 ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Sand Prevention Gas Lift Device. This invention was developed by Liu Tao, Hou Zhimin, Xue Lina, Pan Jian and Cui Jingyu.
The patent application number is CN20241168537 20240806. The patent publication number i..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground Plug-in Fluid Controller and Construction Method. This invention was developed by Liu Tao, Hou Zhimin, Zeng Mingyong, Su Biao, Pan Jian and Wen Chao.
The patent application number is CN20241167612 2024..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Downhole Fluid Control Device and Construction Technology. This invention was developed by Liu Tao, Liu Yintao, Hou Zhimin, Hu Dan and Zhao Wei.
The patent application number is CN20241167568 20240806. The pat..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Gas Lift Tool and Process. This invention was developed by Xie Zhi, Hou Zhimin, Zhao Wei, Qian Jiang, Zeng Mingyong and Pan Jian.
The patent application number is CN20241167211 20240806. The patent publication num..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Switchable Bypass Sand Prevention Device and Construction Technology. This invention was developed by Liu Tao, Liu Yintao, Hou Zhimin, Dong Haifeng, Cui Jingyu and Zhou Yijun.
The patent application number is CN20241168024 202..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Soluble Time-delay Opening Toe-end Sliding Sleeve and Using Method Thereof. This invention was developed by Liu Tao, Hu Shunqu, Hou Zhimin, Qian Jiang, Cui Jingyu and Chen Chen.
The patent application number is CN..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Soluble Time-delay Opening Toe-end Sliding Sleeve. This invention was developed by Liu Tao, Qian Jiang, Cui Jingyu, Pan Jian, Zhao Wei and Hu Dan.
The patent application number is CN20241169312 20240806. The paten..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Check Valve for Closed Gas Lift and Plugging Tool of Check Valve. This invention was developed by Zhou Yijun, Chen Chen, Cui Jingyu and Zeng Mingyong.
The patent application number is CN20241168925 20240806. T..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Downhole Fluid Two-way Control Valve and Downhole Accumulated Liquid Cleaning Method. Liu Tao, Zhang Guodong, Cui Jingyu, Qian Jiang, Zhao Wei and Teng Wenjiang developed the invention.
The patent application ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Cluster Type Sliding Sleeve. This invention was developed by Chen Chen, Zhou Yijun, Pan Jian, Qian Jiang and Zeng Mingyong.
The patent application number is CN20241168200 20240806. The patent publication numbe..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Differential Pressure Sliding Sleeve and Pressure Testing Method. This invention was developed by Chen Chen, Qian Jiang, Hu Dan, Zhao Wei and Liu Tao.
The patent application number is CN20241168074 20240806. The patent publica..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for Sand Control Regulating Valve and Construction Process. This invention was developed by Liu Tao, Zhang Guodong, Liu Xiaofeng, Zeng Mingyong and Pan Jian.
The patent application number is CN20241167852 20240806..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for One-way Flow Valve and Drainage Gas Recovery Process. This invention was developed by Hou Zhimin, Teng Wenjiang, Hu Dan, Zhao Wei and Cui Jingyu.
The patent application number is CN20241167469 20240806. The patent publication ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have submitted a patent application for One-way Flow Valve and Drainage Gas Recovery Process. Lin Yongmao, Hou Zhimin, Cui Jingyu, Zeng Mingyong, Teng Wenjiang and Pan Jian developed the invention.
The patent application number is CN20241167421 2024..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have sought patent for Underground One-way Flow Valve and Gas Production Process. This invention was developed by Hou Zhimin, Lei Wei, Zeng Mingyong, Teng Wenjiang, Liu Tao and Qian Jiang.
The patent application number is CN20241167383 20240806. The..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground One-way Flow Valve and Drainage Gas Recovery Process. This invention was developed by Hou Zhimin, Lei Wei, Qian Jiang, Liu Tao, Chen Chen and Cui Jingyu.
The patent application number is CN20241167338 ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have filed a patent application for Underground One-way Flow Valve and Gas Lift Process. This invention was developed by Lei Wei, Hou Zhimin, Zhou Yijun, Chen Chen, Zhao Wei and Zeng Mingyong.
The patent application number is CN20241167288 20240806...
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Southwest Oil & Gas have applied Chinese patent for Horizontal Well Completion Pipe String. Xu Jian, Guo Lixia, Yao Linyu, Zeng Xingping and Li Ling developed it.
The patent application number is CN20241169314 20240806. The patent publication number is CN121473738 (A)...
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Petroleum & Chemical, Sinopec Oilfield Service, Sinopec Shengli Petroleum Engineering and Drilling Tech Res Inst Shengli Petroleum Eng Co Ltd Sinopec have submitted a patent application for Device and Method for Preventing and Controlling Annulus Pressure of Oil and Gas Well. Zhu Haibo, Wang Yanwen, Zhao..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Sinopec Siji Petroleum Machinery and Sinopec Oilfield Equipment have submitted a patent application for Integrated Continuous Pipe Operation Machine and Operation Method Thereof. This invention was developed by Liang Haiyun, Lin Yaojun, Sun Renjun, Sun Jianlei, Sun Xiaoming, Zhao Guoqiang, Guo Xiangwei, Xu Jie..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Daqing Oilfield and PetroChina have sought patent for Hydraulic Ball Centralizer and Method for Drilling and Grinding Cement Plug in Casing Pipe. This invention was developed by Li Gang, Zhao Qingsen, Ma Shengkai, Zhang Shouhua, Han Yanchun, Zhang Hailong, Lin Liang, Li Zhi, Wang Biao and Yu Lei.
The patent..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Res Institute Petroleum have applied Chinese patent for Thickened Oil Flow Modifier as Well as Preparation Method and Application Thereof. Zhou Linbi, Qin Bing, Qiao Fulin, Zhang Chao and Jing Junhao developed it.
The patent application number is CN20241164189 20240805..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Beijing Chemical Research Institute Co Ltd have filed a patent application for Inverse Emulsion Stabilizer as Well as Preparation Method and Application Thereof. This invention was developed by Wu Jialei, Yi Zhuo, Yang Jinbiao, Xu Wei, Xu Chunmei and Zhang Zengli.
The..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Res Inst Petroleum have submitted a patent application for Surfactant as Well as Preparation Method and Application Thereof. Qiao Fulin, Zhang Chao, Qin Bing, Jiang Jianlin, Zhou Linbi and Jing Junhao developed the invention.
The patent application number is CN20241166..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- Daqing Oilfield and PetroChina have submitted a patent application for Well Testing Steel Wire Coil Lifting Device and Working Method. This invention was developed by Jiang Xing'an, Zhao Wansheng, Chen Ming, Li Jun, Zhou Mingyang, Shi Xiaolin, Zhou Shide, Li Jing, Wang Chaobo and Wang Xingye.
The patent app..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China Energy Construction Hydrogen Energy Co Ltd, Petrochina Jilin Chemical Eng Co Ltd and Nanjing Mingyuan Chemical Tech Co Ltd have submitted a patent application for Wide-load Follow-up Flexible Green Ammonia Synthesis System. Li Jingguang, Wang Sheng, Li Changlun, Wang Jianrong, Xu Yin, Du Jinping, Ye Zhe..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Daqing Oilfield and PetroChina have applied Chinese patent for Regional Cathode Protection Structure. Shao Shoubin, Li Xingguo, Li Dan, Pan Xu, Li Zuochun, Shi Haixiao and Lu Laiming developed it.
The patent application number is CN20241171017 20240806. The patent publication number is CN121472877 (A). Inte..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Oil Refining Sales Co Ltd have submitted a patent application for Double-peak Rubber Protective Wax as Well as Preparation Method and Application Thereof. This invention was developed by Su Shifu, Luo Wangqun, Fang Ting, Lyu Yanghua, Han Qingying, Yao Sihan, Suo Yi, Yan J..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Petroleum Engineering Tech Research Institute Co Ltd have submitted a patent application for Preparation System and Preparation Method of Foam Fracturing Fluid, Prepared Foam Fracturing Fluid and Application. This invention was developed by Zuo Luo, Gao Yuan, Huang Jing, ..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- Shanghai Keyuan Environment Tech Co Ltd and Sinopec Nanjing Engineering & Construction have submitted a patent application for Biological Filter Tower Device for Waste Gas Treatment. This invention was developed by Guan Xiaowei, Zhang Hong, Shi Yong, Zhang Zhengxing and Lyu Jianwei.
The patent application n..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 --Sinopec Group, Sinopec Oilfield Service, Sinopec Jingwei Co Ltd and Geological Measurement and Control Tech Research Institute of Sinopec Jingwei Co Ltd have applied Chinese patent for High-temperature Circuit Board Chip Replacement Device. Zhao Peng, Li Shan, Fan Zexin, Zhang Cong, Sun Fengmei and Gao Jinliang..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical, Anqing Branch China Petroleum & Chemical Corp and East China University of Science and Technology have submitted a patent application for Method for Preparing Mesophase Pitch by Reformed C9 Aromatic Hydrocarbon Dissolved Asphaltene Mixed with FCC (fluid Catalytic Cracking) Oil Slurr..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University have sought patent for Micro-fluidic Chip Fixing Equipment and Micro-fluidic Chip Observation Equipment. This invention was developed by Liu Zhendong, Luo Guangsheng, Lyu Yangcheng, Tian Baoliang, Tang Guoqi ..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Res Inst Petroleum have applied Chinese patent for Reforming Catalyst, Preparation Method and Catalytic Reforming Method. Liu Jianliang, Wang Jieguang, Ma Aizeng, Wang Guocheng, Yang Yanpeng and Li Xiaoyu developed it.
The patent application number is CN20241165170 202..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical and Sinopec Res Institute Petroleum have applied Chinese patent for Multi-metal Gamma-alumina Pellet and Preparation Method Thereof. Liu Jianliang, Wang Jieguang, Ma Aizeng, Wang Guocheng, Yang Yanpeng and Li Xiaoyu developed it.
The patent application number is CN20241165496 2024..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- Sinopec Ningbo Engineering, Sinopec Ningbo Research Institute and SINOPEC Engineering (Group) have submitted a patent application for Gas Distributor and Reactor. Liu Yuying, Yang Qikai, Wang Tongbao, Yang Junling, Mo Shenyu and Zhao Leijiang developed the invention.
The patent application number is CN20241..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University have submitted a patent application for Device for Preparing Liquid Drops or Bubbles. This invention was developed by Luo Guangsheng, Song Jing, Deng Jian, Tian Baoliang, Tang Guoqi and Su Zimu.
The patent..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 --China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University have submitted a patent application for Extreme Phase Ratio Micro-dispersion Process Strengthening Device and Use Method. This invention was developed by Luo Guangsheng, Song Jing, Deng Jian, Tian Baoliang, Ta..
Oil & Gas
| Sun 31 May 2026
Beijing, June 1 -- China Petroleum & Chemical, Sinopec Beijing Chemical Research Institute Co Ltd and Tsinghua University have sought patent for Micro-dispersion Device and Micro-dispersion Method. This invention was developed by Luo Guangsheng, Deng Jian, Wang Yubin, Tian Baoliang, Tang Guoqi and Fu Sixian.
The patent applic..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Basell Poliolefine Italia SpA has submitted a patent application for Process for Polymerizing Olefins at Variable Slurry Speeds in Loop Reactor. This invention was developed by Di Federico Pier Luigi, Balestra Enrico, Zander Giacomo Rizio Antonio, Macabianni Giuseppe and Vitale Filippo.
The patent applicati..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- Nanjing Nanda Digital Tech Co Ltd has sought patent for Petroleum Sampling and Detecting Device. This invention was developed by Wen Liang, Yu Ning, Li Hantao and Sheng Weiwei.
The patent application number is CN202511695275 20251119. The patent publication number is CN121473821 (A). International Patent Cl..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China National Petroleum and China Petroleum Logging Co Ltd have submitted a patent application for Underground State and Curve Quality Monitoring Method, System, Equipment and Medium. Zhang Xiaolei, Wang Hu, Yue Aizhong, Fan Hongwei, Guo Zhiqiang, Dong Zheng, Li Chengzhi, He Xuxin, Ge Yunlong, Xiong Shitao an..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Shanghai Ocean Oil & Gas Branch China Petroleum & Chemical Corp patent application for Method and System for Determining Flow Equilibrium Point Radius During Gas Condensate Precipitation. This invention was developed by Yin..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China National Petroleum and China Nat Oil and Gas Exploration and Development Ltd have submitted a patent application for Deepwater Carbonate Reservoir Dynamic Evaluation Method, Device, Equipment and Medium. This invention was developed by Liu Zhangcong, Ye Yu, Liu Chengbin, Xu Bifeng, Hao Qiangsheng, Zhao J..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China University of Petroleum, Beijing has submitted a patent application for Tracer-based Horizontal Well Segmented Liquid Production Profile Visual Simulation Experiment Device and Interpretation and Evaluation Method. Xiang Rui, Deng Jingen, Liu Jie, Li Yunqing, Su Feiyu, Li Zhuofan, Feng Yongcun and Li Xia..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released China University of Petroleum, Beijing patent application for Drilling Fluid Leakage Layer Positioning Method. This invention was developed by Feng Yongcun, Shang Guanyi, Li Xiaorong, Yan Wei, Liu Wei and Deng Jingen.
The patent application number is CN..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Shandong Chuangge Petroleum Tech Co Ltd patent application for Optical Fiber Multi-parameter Logging Device. The invention was developed by Tian Wanguo, Su Fuwei, Chang Qiangbing, Hu Bin, Sun Guangyue, Wen Fangyi, Zhang Haiyan and Ba Wenliang.
The pa..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- CNPC Science Tech Research Institute Co Ltd and China National Petroleum have submitted a patent application for Underground Supercritical Carbon Dioxide Mass Flow Testing Device and Testing Method. This invention was developed by Wang Quanbin, Jia Deli, Feng Fan, Zhang Weiping, Yu Chuan and Jiao Maowei.
Th..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Device for Testing Delay Effect of Delay Mechanism. Liu Tao, Cui Jingyu, Pan Jian, Qian Jiang, Chen Chen and Zhao Wei developed the invention.
The patent application num..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- PetroChina has filed a patent application for Liquid Injection Temporary Plugging Parameter Determination Method Based on Horizontal Well Section Production Law. This invention was developed by Tang Chuanyi, Tian Hui, Liao Qiping, Yi Xingyu, Liu Deqing, Zhang Minghai, Song Mingrui, Hu Ruixue, Liu Yong and Liu ..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Plugging Agent Plugging Process Simulation Device and Plugging Effect Evaluation Method. The invention was developed by Lin Yongmao, Hu Yongzhang, Long Zhangliang, Yan Yan..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have applied Chinese patent for Vibration Well Cementation Tool. Chen Jie, Ma Chenyan, Wang Xueliang, Qiao Dongyu, Wang Xuecheng, Wang Jun and Qin Xi developed it.
The patent application number is CN20241166215 20240805. The patent publication numbe..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Packer for Tubular Column and Integrated Tubular Column. This invention was developed by Pan Jian, Zhou Yijun, Liu Tao, Chen Chen, Cui Jingyu and Pang Wenfeng.
The paten..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Southwest Oil & Gas patent application for Annular Sealing Device and Method. This invention was developed by Liu Tao, Cui Jingyu, Wang Qiang, Wu Qiang and Qian Jiang.
The patent application number is CN202411671..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Sinopec Jiangzuan Oil Machinery and Sinopec Oilfield Equipment patent application for Drilling Tool for Underwater Installation and Recovery of Top Locking Assembly and Construction Method. This invention was developed by Wang Yuhao, Zhang Fan, Song Zipi..
Oil & Gas
| Mon 01 Jun 2026
Beijing, June 1 -- CNPC Bohai Drilling Engineering and China National Petroleum have submitted a patent application for Underground Explosion Digital Monitoring Instrument, Method and Equipment for Explosion Loosening. This invention was developed by Zhang Xiao, Wang Pizheng, Yu Huaibin, Guo Keyou, Cui Gang and Wang Shuai.
Th..
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